CN102042551A - Light-emitting diode lamp - Google Patents
Light-emitting diode lamp Download PDFInfo
- Publication number
- CN102042551A CN102042551A CN2009103082271A CN200910308227A CN102042551A CN 102042551 A CN102042551 A CN 102042551A CN 2009103082271 A CN2009103082271 A CN 2009103082271A CN 200910308227 A CN200910308227 A CN 200910308227A CN 102042551 A CN102042551 A CN 102042551A
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- Prior art keywords
- light
- emitting diode
- light emitting
- light source
- led lamp
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/022—Emergency lighting devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
- F21K9/278—Arrangement or mounting of circuit elements integrated in the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a light-emitting diode (LED) lamp for general illumination and emergency illumination, which comprises a radiating part, an optical part and an electric part. The optical part comprises a light guide cover and an LED module arranged on a radiating body of the radiating part; the light guide cover is a lengthwise transparent pipe; the radiating body and the LED module are arranged inside the light guide cover; the LED module comprises a plurality of LEDs, wherein all the LEDs of the LED module form a main light source to perform general illumination during electrification, and partial LEDs of the LED module form an auxiliary light source to perform emergency illumination during power failure; the electric part comprises a circuit board and a storage battery which are accommodated in the light guide cover, and two end covers arranged at two ends of the light guide cover; and the auxiliary light source supplies power through the storage battery so as to perform emergency illumination during power failure.
Description
Technical field
The present invention relates to a kind of led lamp, particularly about a kind of multi-function led light fixture that has general lighting and emergency lighting concurrently.
Background technology
People are owing to depend on fossil fuel for a long time unduly, impede economic development except that causing energy shortage and oil spike, global carbon dioxide and discharge of harmful gases concentration are increased day by day, cause the destruction of the caused adverse weather of global warming, ecological environment and the harm of human survival is manifested day by day.The ball ecological environment of depending on for existence for the sustainable mankind; must solve energy crisis and problem of environmental pollution simultaneously; tap a new source of energy and the renewable sources of energy are to promote energy savings and the most important strategy of efficient use of energy; and the energy that traditional lighting consumed is very considerable; the development lighting energy saving will be most important new forms of energy science and technology; and the light emitting diode (LED) of semiconductor lighting employing high power high luminance is a light source; this new light sources is with its high-luminous-efficiency; energy-conservation; long-lived; environmental protection (not mercurous); volume is little; start fast; directive property; advantages such as shock-resistant and vibration resistance have the potentiality of extensive replacement traditional lighting light source.
Based on the plurality of advantages of above-mentioned LED source, the LED source of utilization high-luminous-efficiency is used in illumination, and to replace various conventional lamp, expection will become rising star's high development industry.Yet, of a great variety at the light fixture that illumination is used, and often different lightings must be set respectively because of the difference of environment for use, function, rules and demand.For example: present traditional emergency light fire emergency function that only tool is single of widely using, the lamp accumulate that goes out when promptly switching on, luminous lighting during outage.When under no early warning, taking place to have a power failure the people that are in light originally are absorbed in immediately and look for the terrified of light, the on-the-spot masses in public places are even more serious, and general lighting does not possess function of emergency illumination, also, cause the burden of user cost to increase and the overlapping investment of inconvenience, resource and the waste in device space owing to need purchase separately and individual wired and installation.
In addition, use high power high luminance LED on the new light sources of illumination, must cooperate high efficiency cooling mechanism to reduce the junction temperature of LED as far as possible, the above-mentioned plurality of advantages of competence exertion, otherwise the luminosity of lighting device and service life will have a greatly reduced quality, influence will make the energy-saving effect of this lighting device unclear in one's power, and the reliability of directly impacting this lighting device, cause serious light decay even lighting device was lost efficacy.Moreover, being the reality that grows to even greater heights in response to energy cost, national governments are energy-conservation as important policy and encouragement industry promotion office lighting to promote energy-saving and emission-reduction invariably.For example: only lay lighting at the environment of long-term work, only give local strengthening at other auxiliary lamp (for example: work desk lamp, drawing lamp) that has the place that needs and working time just to use separate type than low-light (level).Yet still can't improve cost burden increases with the waste in the overlapping investment of inconvenience, resource, space and influences the shortcoming of overall appearance; Therefore, as how novel photoelectric intelligent control technology, the LED source that collocation has plurality of advantages carries out the quality-improving and the multi-functional application of led lamp product synchronously and integrates, creating the higher surcharge of led lamp, is the important topic of Lighting Industry.
Summary of the invention
In view of this, be necessary to provide a kind of multi-functional led lamp that has general lighting and emergency lighting concurrently.
A kind of led lamp that has general lighting and emergency lighting concurrently comprises a radiating part, an optics portion and an electrical part.This radiating part comprises a radiator, this optics portion comprises a light-guiding shade and is located at a light emitting diode module on the radiator, this light-guiding shade is the printing opacity pipe fitting of a lengthwise, this radiator and light emitting diode module are located in this light-guiding shade, this light emitting diode module comprises some light emitting diodes, constitute by whole light emitting diodes of this light emitting diode module and to carry out general lighting when a main light source is used to switch on, and constitute by the part light emitting diode of this light emitting diode module and to carry out emergency lighting when a secondary light source is used to have a power failure.This electrical part comprises a circuit board and a battery that is contained in this light-guiding shade, and the end cap of being located at these light-guiding shade two ends respectively, this circuit board is provided with the AC/DC change-over circuit, charging circuit and conversion control circuit, electric main sees through the input that end cap is connected to the AC/DC change-over circuit, the output of this AC/DC change-over circuit provides first DC voltage and second DC voltage, the input of this charging circuit is connected to first DC voltage, the two ends of this battery are connected to the output of charging circuit, this pair light source sees through conversion control circuit and is connected to the two ends of first DC voltage and the two ends of battery, should the pair light source during power failure switch to by storage battery power supply to enter the emergency lighting state by this conversion control circuit, this main light source is connected to the two ends of second DC voltage.
The present invention has following advantage:
1) provide a kind of led lamp that can control general lighting and emergency lighting, by the conversion control circuit in control circuit, when energising, the main light source luminous lighting, and charge a battery simultaneously; When having a power failure, become secondary light source and be converted to by part light emitting diode default in this main light source this pair light source power supply is carried out emergency lighting by battery, and the ambient brightness through being controlled at this light fixture extinguishes when high, carry out general lighting when reaching energising, performance is saved the energy content of battery to prolong the security function of emergency lighting time during power failure.
2) provide a kind of intelligent light-emitting diode light fixture that has general lighting and emergency lighting concurrently, by the secondary light source during as emergency lighting, be implemented in the Based Intelligent Control function, the utilization rate that improves light emitting diode module that increase emergency lighting in the ordinary luminaire, expansion and the convenience of personnel's strain and the elasticity of multifunctional application of illumination zone when providing emergent with the part light emitting diode in the main light source.
3) provide a kind of led lamp that has practicality and economic benefit concurrently, by integrating AC/DC conversion, battery charge and automatic conversion and control function in same circuit module, reach high-quality intelligent lighting and control, gently change lighting, simplify the economic benefit that the space is set, simplifies production technology and reduction volume production cost.
Description of drawings
With reference to the accompanying drawings, in conjunction with the embodiments the present invention is further described.
Fig. 1 is the longitudinal sectional view of led lamp one preferred embodiment of the present invention.
Fig. 2 is the cutaway view at II-II place among Fig. 1.
Fig. 3 is the stereogram of a light emitting diode module in the led lamp shown in Figure 1.
Shown in Figure 4 is the workflow schematic diagram of led lamp of the present invention.
Fig. 5 is the control module figure of led lamp of the present invention.
Fig. 6 is the control circuit schematic diagram of led lamp of the present invention.
The specific embodiment
Below referring to figs. 1 through Fig. 6, led lamp of the present invention is further specified.
Fig. 1 is the longitudinal sectional view of led lamp 100 1 preferred embodiments of the present invention, and Fig. 2 is the cutaway view at II-II place among Fig. 1, and Fig. 3 is the stereogram of a light emitting diode module 11 in the led lamp 100 shown in Figure 1.This led lamp 100 has general lighting and function of emergency illumination concurrently, comprises an optics portion 10, a radiating part 20 and an electrical part 30.
This light-guiding shade 12 is a smooth surface and is printing opacity pipe fitting cylindraceous.In this light-guiding shade 12 covers at light emitting diode module 11,, led lamp 100 required illumination profile, the characteristics of luminescences reach function to light emitting diode module 11 protections so that being provided.The both ends of light-guiding shade 12 are provided with some embedded holes 121 respectively, and the inwall of light-guiding shade 12 is provided with and extends vertically and be two support members 122 (shown in Figure 2) that are oppositely arranged.
Radiating part 20 comprises a radiator 21, is used for light emitting diode module 11 is dispelled the heat.This radiator 21 is made by the good material of thermal conductivity and is contacted with light emitting diode module 11 close thermal.Be to cooperate the outward appearance of led lamp 100, described radiator 21 be longilineal one-body molded, comprises the cooling base 211 of a lengthwise and the some fins 212 that make progress the one extension and be set in distance from the upper side of this cooling base 211.These cooling base 211 relative downsides are a heat-absorbent surface 2111 of transmission light emitting diode module 11 heats, substrate 111 by light emitting diode module 11 contacts with the close thermal of described heat-absorbent surface 2111, with transmission and remove the heat that the light emitting diode 112 of light emitting diode module 11 is discharged when luminous.Close thermal between the heat-absorbent surface 2111 of light emitting diode module 11 and radiator 21 contacts can smear one deck thermal interfacial material (TIM) earlier betwixt, some screws 13 of suit electric insulation pad pass plurality of fixed hole 119 (shown in Figure 3) set on the substrate 111 respectively again, and be locked in the cooling base 211 set corresponding screws 2112 of radiator 21, also can light emitting diode module 11 directly be pasted (SMT) on the heat-absorbent surface 2111 of this cooling base 211, so that light emitting diode module 11 contacts with heat-absorbent surface 2111 close thermal of cooling base 211 by the reflow mode.
Fin 212 is made up of the some plate bodys along vertical arrangement of cooling base 211, and described fin 212 also can be other form, for example some columns that protruded out by cooling base 211 or form along transversely arranged some plate bodys of cooling base 211.Light-guiding shade 12 is provided with some heat radiation pores 123 in a side relative with the fin 212 of radiator 21, with the passage as air-flow turnover light-guiding shade 12.
When being assembled in radiator 21 and light emitting diode module 11 in the light-guiding shade 12, the substrate 111 of light emitting diode module 11 is arranged between the inwall of support member 122 and light-guiding shade 12, and radiator 21 is placed between two support members 122 of light-guiding shade 12.
This two end cap 33 is located at the two ends of led lamp 100 respectively and is hollow form, and the radiator 21 of radiating part 20 is located between this two end cap 33.Each end cap 33 middle part vertically is provided with a flange 331, and is provided with a pair of plug 332 in the outer face of end cap 33.Described plug 332 protrudes from the outer end of end cap 33 and is column, is electrically connected in order to form with a daylight lamp holder.This end cap 33 is provided with an insertion and engages the socket bulge loop 333 of light-guiding shade 12 in the inner of flange 331.The end periphery of described socket bulge loop 333 also is provided with some protruding pearls 3331, so that when socket bulge loop 333 is inserted light-guiding shades 12 with light-guiding shade 12 on corresponding embedded hole 121 snappings, effectively prevent coming off between end cap 33 and the light-guiding shade 12, and the convenient location when for convenience detach of when maintenance is provided with assembling.
Shown in Figure 4 is the workflow schematic diagram of led lamp 100 of the present invention.Electric main (AC) is introduced circuit board 31 through the plug 332 of lamp holder 33, carries out just entering system's state of a control after AC/DC is converted into direct current (DC) through circuit board 31.Judge at first whether AC powers: 1) if bright at the normal next main light source 5 of AC supply status (being whole light emitting diodes 112 of light emitting diode module 11), and by charging control to battery 32 chargings; 2) if under the power failure situation, then power and enter emergent state of a control by 32 pairs of secondary light sources 6 of battery (being that a part of light emitting diode 112 that is positioned at dotted line 113 scopes in the light emitting diode module 11), see through this moment light-sensitive element 117 sensings and feedback environment illumination and with the setting value comparison, then secondary light source 6 is lighted to carry out emergency lighting if ambient brightness is low, secondary light source 6 is not worked with power saving if the ambient brightness height then cuts off the power supply of battery 32 by battery 32 power supplies.
Fig. 5 is the control module figure of led lamp 100 of the present invention, and Fig. 6 is the control circuit schematic diagram of led lamp 100 of the present invention.According to the control function, this control circuit comprises AC/DC change-over circuit 1, charging circuit 2, battery circuit 3, conversion control circuit 4, secondary light source 6, main light source 5 and main light source constant current/constant voltage drive circuit 7, and wherein AC/DC change-over circuit 1, charging circuit 2, conversion control circuit 4 and main light source constant current/constant voltage drive circuit 7 are integrated on the circuit board 31.
The plug 332 that the live wire L of the input of this AC/DC change-over circuit 1 and zero line N see through lamp holder 33 is connected with the live wire and the zero line of electric main respectively.This AC/DC change-over circuit 1 at first carries out rectifying and wave-filtering with electric main, and carrying out then provides first DC voltage 8 and second DC voltage 9 at the two ends of capacitor C 2 and C3 respectively after the step-down.Wherein, this first DC voltage 8 is used for the charging to battery BT, and this second DC voltage 9 is used for providing dc source to main light source 5.
Conversion control circuit 4 comprises capacitor C 1, Zener diode Z1, diode D1-D4, resistance R 1-R7, triode Q1-Q4 and photo resistance RL.Wherein triode Q1 and Q3 are positive-negative-positive, and triode Q2 and Q4 are the NPN type.
The anode of diode D1 and D2 all connects the positive pole of first DC voltage 8.The negative electrode of diode D2 successively sees through the resistance R 1, the R4 that are in series and is connected with the negative pole of first DC voltage 8.The emitter stage of triode Q1 is connected with the positive pole of battery BT, and is connected with the negative electrode of diode D5 through current-limiting resistance R8.The anode of diode D3 is connected with the base stage of triode Q1, and the negative electrode of diode D3 links to each other with the negative electrode of diode D1.The negative electrode of Zener diode Z1 is connected with the colelctor electrode of triode Q1, and its anode is connected with the resistance R 1 of series connection, the tie point of R4.
The colelctor electrode of triode Q2 sees through resistance R 2 and is connected with the negative electrode of diode D1 and D3 simultaneously, and its emitter stage is connected with the negative pole of first DC voltage 8.One end of resistance R 3 connects the base stage of diode Q2, and its other end is connected with the resistance R 1 of series connection, the centre of R4, and is connected with the positive pole of capacitor C 1 simultaneously.The negative pole of capacitor C 1 is connected with the negative pole of first DC voltage 8.
The colelctor electrode of the emitter stage of triode Q3 and triode Q1 and the negative electrode of Zener diode Z1 are connected.The colelctor electrode of triode Q3 sees through direct-connected the connecing of anode of resistance R 7 and diode D4, and the negative electrode of diode D4 is connected with secondary light source electrode a2.One end of resistance R 5 is electrically connected with the emitter stage of triode Q3, and the other end of resistance R 5 is connected with the base stage of triode Q4, and is connected with the negative pole of first DC voltage 8 through photo resistance RL simultaneously.The colelctor electrode of triode Q4 sees through resistance R 6 and is connected with the base stage of triode Q3, and the emitter stage of triode Q4 is connected with the negative pole of first DC voltage 8.
The secondary light source electrode a2 of light emitting diode module 11 is connected with the negative electrode of diode D4, the main light source electrode a1 of light emitting diode module 11 is connected with the positive pole of second DC voltage 9, and the public electrode a3 of light emitting diode module 11 sees through an inspection leakage resistance R9 and is connected with the negative pole of second DC voltage 9.
Main light source constant current/constant voltage drive circuit 7 comprises constant current constant voltage feedback circuit and pulse-width modulation circuit (PWM).Wherein, the constant current constant voltage feedback circuit is the electric current that utilizes inspection leakage resistance R9 and Zener diode Z2 to detect respectively to flow through main light source 5 and the voltage at main light source 5 two ends, and detected error signal is fed back to PWM IC by linear optical coupling U1, reach the break-make of PWM IC according to feedback signal size gauge tap transistor Q5, thereby to the adjustment of the switching transistor Q5 drive waveforms power output with stabilization control circuit.
Under normal commercial power supply state, 5 power supplies of 9 pairs of main light sources of second DC voltage make that whole light emitting diodes 112 of light emitting diode module 11 are all bright.Make that owing to not conducting of triode Q1 battery BT can not be to secondary light source 6 power supplies this moment to 8 of second DC voltages to battery BT charging, and diode D2 charges to capacitor C 1 after the R4 dividing potential drop then through resistance R 1.
If under the emergency condition that has a power failure, first DC voltage 8 and second DC voltage, 9 equal no-outputs, battery BT does not recharge, and the two ends that are connected in the light emitting diode 112 between main light source electrode a1 and the secondary light source electrode a2 do not work because of no-voltage.Because capacitor C 1 accumulate makes triode Q2 conducting through resistance R 3 discharges, and diode D3 is connected to ground through resistance R 2 and triode Q2, and the base voltage of triode Q1 drags down, and makes triode Q1 conducting.At this moment, conversion control circuit 4 switches to the emergency lighting control model, whether needs to carry out emergency lighting and is then controlled by photo resistance RL.
The concrete control procedure of emergency lighting is: 1) be subjected to the low light level as photo resistance RL, then photo resistance RL resistance is higher, and the base stage of triode Q4 is high potential and conducting, makes also conducting of triode Q3, and secondary light source 6 is by battery BT power supply carrying out emergency lighting; 2) be subjected to high light as photo resistance RL, then photo resistance RL resistance is lower, and the base stage of triode Q4 is that electronegative potential ends, and makes Q3 also end, and secondary light source 6 can not be powered by battery BT, thereby secondary light source 6 does not carry out emergency lighting.
Effect by above-mentioned embodiment further clearly demonstrates technical characterictic of the present invention and reaches comprises:
1) the invention provides a kind of led lamp that can control general lighting and emergency lighting, by the conversion control circuit in control circuit, when energising, the main light source luminous lighting, and charge a battery simultaneously; When having a power failure, become secondary light source and be converted to by part light emitting diode default in this main light source this pair light source power supply is carried out emergency lighting by battery, and the ambient brightness through being controlled at this light fixture extinguishes when high, carry out general lighting when reaching energising, performance is saved the energy content of battery to prolong the security function of emergency lighting time during power failure.
2) the invention provides a kind of intelligent light-emitting diode light fixture that has general lighting and emergency lighting concurrently, by the secondary light source during as emergency lighting, be implemented in the Based Intelligent Control function, the utilization rate that improves light emitting diode module that increase emergency lighting in the ordinary luminaire, expansion and the convenience of personnel's strain and the elasticity of multifunctional application of illumination zone when providing emergent with the part light emitting diode in the main light source.
3) the invention provides a kind of led lamp that has practicality and economic benefit concurrently, by integrating AC/DC conversion, battery charge and automatic conversion and control function in same circuit module, reach high-quality intelligent lighting and control, gently change lighting, simplify the economic benefit that the space is set, simplifies production technology and reduction volume production cost.
In addition, those skilled in the art also can do other variation in spirit of the present invention, as long as it does not depart from technique effect of the present invention and all can.The variation that these are done according to spirit of the present invention all should be included in the present invention's scope required for protection.
Claims (10)
1. led lamp that has general lighting and emergency lighting concurrently comprises:
One radiating part, this radiating part comprises a radiator;
One optics portion, comprise a light-guiding shade and be located at a light emitting diode module on the radiator, this light-guiding shade is the printing opacity pipe fitting of a lengthwise, this radiator and light emitting diode module are located in this light-guiding shade, this light emitting diode module comprises some light emitting diodes, constitute by whole light emitting diodes of this light emitting diode module and to carry out general lighting when a main light source is used to switch on, and constitute by the part light emitting diode of this light emitting diode module and to carry out emergency lighting when a secondary light source is used to have a power failure; And
One electrical part, comprise the circuit board and the battery that are contained in this light-guiding shade, and the end cap of being located at these light-guiding shade two ends respectively, this circuit board is provided with the AC/DC change-over circuit, charging circuit and conversion control circuit, electric main sees through the input that end cap is connected to the AC/DC change-over circuit, the output of this AC/DC change-over circuit provides first DC voltage and second DC voltage, this charging circuit is connected to first DC voltage, this battery is connected to charging circuit, this conversion control circuit is connected to battery, this pair light source sees through conversion control circuit and is connected to battery, should the pair light source during power failure switch to by storage battery power supply to enter the emergency lighting state by this conversion control circuit, this main light source is connected to second DC voltage.
2. led lamp as claimed in claim 1 is characterized in that: this conversion control circuit comprises a light-sensitive element, during power failure this light-sensitive element as the switch between battery and the secondary light source to control the open and close of secondary light source.
3. led lamp as claimed in claim 2 is characterized in that: this light-sensitive element is photo resistance.
4. led lamp as claimed in claim 2 is characterized in that: this light emitting diode module also comprises a substrate, and described light emitting diode and light-sensitive element all are located on this substrate.
5. led lamp as claimed in claim 1, it is characterized in that: this light emitting diode module also comprises a substrate, described light emitting diode is located on this substrate, also be provided with a main light source electrode, a secondary light source electrode and a shared electrode on this substrate, this pair light source electrode connects the output of conversion control circuit.
6. led lamp as claimed in claim 1 is characterized in that: this radiator comprises the cooling base of a lengthwise and is located at some fins on the side of this cooling base that light emitting diode module is located on another opposite sides of cooling base.
7. led lamp as claimed in claim 6 is characterized in that: this radiator is provided with an accommodation space, and this circuit board is contained in this accommodation space.
8. led lamp as claimed in claim 6 is characterized in that: this radiator is provided with a draw-in groove between two fins, this battery is located in this draw-in groove.
9. led lamp as claimed in claim 6 is characterized in that: this leaded light covers in a side relative with the fin of radiator and is provided with some heat radiation pores, with the passage as air-flow turnover light-guiding shade.
10. led lamp as claimed in claim 1 is characterized in that: the outer face of each end cap is provided with a pair of plug, this two end cap on one of them set plug be electrically connected with circuit board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103082271A CN102042551A (en) | 2009-10-13 | 2009-10-13 | Light-emitting diode lamp |
| US12/702,321 US8434882B2 (en) | 2009-10-13 | 2010-02-09 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103082271A CN102042551A (en) | 2009-10-13 | 2009-10-13 | Light-emitting diode lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102042551A true CN102042551A (en) | 2011-05-04 |
Family
ID=43854266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103082271A Pending CN102042551A (en) | 2009-10-13 | 2009-10-13 | Light-emitting diode lamp |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8434882B2 (en) |
| CN (1) | CN102042551A (en) |
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| WO2024255330A1 (en) * | 2023-06-16 | 2024-12-19 | 浙江盟泰照明有限公司 | Non-mobile led emergency lamp matching lora gateway and applied indoors |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20110084554A1 (en) | 2011-04-14 |
| US8434882B2 (en) | 2013-05-07 |
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